Simplify: (3x2 + 4x - 3) - (4x2 - 3x + 2)

-x^2 + 7x - 5

3x

2

+4x−3−4x

2

+3x−2

(3x

2

−4x

2

)+(4x+3x)+(−3−2)

−x

2

+7x−5

answer is 12345678900987654321234567890987654321

step-by-step explanation:

step-by-step explanation:

we can use this expression to calculate the energy gain as a particle moves with a field or the energy loss as it moves against it. (note that it is also used to define the electron-volt, a unit of energy equal to that gained by an electron as it falls through a pd of 1 v, i.e. w = 1 ev = 1.6 10-19 c 1 v = 1.6 10-19j).in fact this expression is really nothing more than the statement that potential is the potential energy per unit charge. in this case, v= w/qis simply stating that the change in potential energy(or work done) per unit charge is equal to the change in potential (or potential difference), v.student questions: uniform electric fields2electron beamcathode+5 kvanode0 v